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Method for optimizing parameters of overlap controller of edge trimming circle shear

An optimization method and a technology of overlapping amount, applied in the direction of digital control, electrical program control, shearing device, etc., can solve the problem of poor control accuracy of the controller, achieve the effect of controller parameter optimization, improve control accuracy and control performance

Active Publication Date: 2015-03-25
XIAN UNIV OF TECH
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for optimizing the parameters of the overlapping controller of the trimming disc shears, to solve the problem that the existing controller parameters are set according to experience, resulting in poor control accuracy of the controller

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  • Method for optimizing parameters of overlap controller of edge trimming circle shear

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Embodiment Construction

[0041] like figure 1 Shown is a schematic diagram of the overlapping amount control system (or disc shear control system) involved in the method for optimizing the parameters of the overlapping amount controller of the edge trimming disc shear of the present invention. The structure includes a programmable controller 1, a programmable The controller 1 is interactively connected with the upper computer 2 and the touch screen 3 respectively, the programmable controller 1 is also connected with the console 4, and the programmable controller 1 is also connected with the inverter 5, the motor 6, the load 7 on the motor 6, and the displacement sensor in turn. 8 are connected end to end to form a closed control loop.

[0042] The control mechanism of the overlapping amount control system is: the programmable controller 1 calculates the current value of the overlapping amount according to the parameters such as the thickness of the conveyor belt and the diameter of the cutter head obt...

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Abstract

The invention discloses a method for optimizing parameters of an overlap controller of an edge trimming circle shear. The method includes the following steps that (1) relevant parameters are determined according to practical problems; (2) N groups of initial proportion integration differentiation (PID) parameters are generated; (3) the PID parameters are evaluated; (4) each group of PID parameters are adjusted and processed; (5) the adjusted and processed PID parameters are evaluated to obtain the current optimum PID parameters; and (6) iteration is performed to obtain the optimum PID parameters, and the deviation of the overlap of the edge trimming circle shear is minimum. By means of the method, the parameters of the controller during control over the overlap of the edge trimming circle shear are obtained according to random arrangement, the parameters are optimized by a particle swarm algorithm to obtain the optimum controller parameters in the overlap of the edge trimming circle shear, and thereby the deviation of the overlap is minimum.

Description

technical field [0001] The invention belongs to the technical field of industrial control, uses a particle swarm algorithm to solve the parameter optimization problem of an overlap amount controller in edge trimming disc shears, and particularly relates to a parameter optimization method for an overlap amount controller in edge trimming disc shears. Background technique [0002] The control precision of the trimming disc shear has an important influence on the quality of the finished strip. If the precision does not meet the precision requirements of the shearing process, it will cause the problem of the quality of the strip and the deviation of the strip. Among the control problems of edge-cutting disc shears, the adjustment and control of the overlap is the most complicated. [0003] Under the premise of ensuring the control accuracy, most of the existing disc shears in China use AC motors and variable frequency speed control systems to realize the disc scissors disc contr...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/18B23D19/00
Inventor 吴亚丽王越仟谢丽霞
Owner XIAN UNIV OF TECH
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